[Labor cycle].
D005260:Female; D006801:Humans; D007743:Labor, Obstetric / Q000502:physiology*; D009119:Muscle Contraction; D010121:Oxytocin / Q000494:pharmacology; D011247:Pregnancy; D013997:Time Factors; D014599:Uterus / Q000294:innervation*
D010121:Oxytocin